Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Oct. 31, 2024	Jul. 31, 2024
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001	$ 0.001
Preferred Stock, Shares Authorized (in shares)	50,000,000	50,000,000
Preferred Stock, Shares Issued (in shares)	0	0
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001	$ 0.001
Common Stock, Shares Authorized (in shares)	250,000,000	250,000,000
Common Stock, Shares, Outstanding (in shares)	105,401,032	105,301,032
Common Stock, Shares, Issued (in shares)	105,401,032	105,301,032